HT82D20R_10 Datasheet, PDF (1/42 Pages) Holtek Semiconductor Inc – 27MHz One Channel RX 8-Bit MCU

HT82D20R/HT82D20A
27MHz One Channel RX 8-Bit MCU
Features
· USB specification compliance
- Conforms to USB specification V2.0
- Conforms to USB HID specification V1.11
· Supports 1 Low-speed USB control endpoint and
1 interrupt endpoint
· Each endpoint has 8 byte FIFO
· Integrated USB transceiver
· 3.3V regulator output
· Built-in one 27MHz FSK receiver
· PS2 and USB modes supported
· 27MHz FSK receiver power down function
· FSK receiver frequency range 26.945~27.295MHz
· FSK receiver high sensitivity: < -90 dBm
· RF tuner, mixer, transistors, passives, coils, and
SAW filter functions integrated in the same device
· Integrated FSK receiver phase locked loop
· Eight user selectable frequencies
· Integrated FSK Receiver 6Kbps data rate
· Uses external 12MHz crystal
· 8-bit RISC microcontroller, with 2K´14 bits EPROM
(000H~7FFH)
· 96 bytes RAM (20H~7FH)
· 6MHz internal MCU clock
· 4-level stack
· Two 7-bit indirect addressing registers
· One 16-bit programmable timer counter with
overflow interrupt (shared with PA7, vector 0CH)
· One USB interrupt input (vector 04H)
· HALT function and wake-up feature reduce
power consumption
· PA0~PA7 support wake-up function
· Internal power-on reset (POR)
· Watchdog Timer (WDT)
· 8 I/O ports
· 28-pin SSOP package
General Description
USB Encoder Built-in one 27MHz FSK receiver MCU
OTP body is suitable for USB interface and 27MHz
Wireless system. Flexible total solution for applications
that combine PS/2 and low-speed USB interface and
27MHz wireless system, such as mice, joysticks, and
many others.
It consists of a Holtek high performance 8-bit MCU core
for control unit, built-in USB SIE, 27MHz FSK Receiver ,
2K´14 bits ROM and 96 bytes data RAM.
Rev. 1.10
1
January 27, 2010